Pith Number

pith:EP7BFTC7

pith:2012:EP7BFTC7BRW6ZLZU7HU7QLC5QV

not attested not anchored not stored refs pending

Restricted Isometry of Fourier Matrices and List Decodability of Random Linear Codes

Ameya Velingker, Mahdi Cheraghchi, Venkatesan Guruswami

arxiv:1207.1140 v1 · 2012-07-04 · cs.IT · math.CO · math.IT · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EP7BFTC7BRW6ZLZU7HU7QLC5QV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:51:46.773349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23fe12cc5f0c6decaf34f9e9f82c5d8569d43a7bd078aef10f649e616782dbd6

Aliases

arxiv: 1207.1140 · arxiv_version: 1207.1140v1 · doi: 10.48550/arxiv.1207.1140 · pith_short_12: EP7BFTC7BRW6 · pith_short_16: EP7BFTC7BRW6ZLZU · pith_short_8: EP7BFTC7

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/EP7BFTC7BRW6ZLZU7HU7QLC5QV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 23fe12cc5f0c6decaf34f9e9f82c5d8569d43a7bd078aef10f649e616782dbd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d9a9c09586406a60b279bea8dbc95d6567ceae6cd07247ce2f4b67c0842716c",
    "cross_cats_sorted": [
      "math.CO",
      "math.IT",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-07-04T23:21:09Z",
    "title_canon_sha256": "91276862bcd0a918701b51c1da1b49e527d8d3a08f858353a4b95739ec7bc4ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1140",
    "kind": "arxiv",
    "version": 1
  }
}